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Thermohydrodynamics of continuous-wave CO2lasers with a closed cycle of the flow

✍ Scribed by A. I. Ivanchenko; A. M. Orishich; S. S. Vorontsov


Publisher
SP MAIK Nauka/Interperiodica
Year
2000
Tongue
English
Weight
745 KB
Volume
41
Category
Article
ISSN
0021-8944

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Carbon nanopowders from the continuous-w
✍ I Morjan; I Voicu; F Dumitrache; I Sandu; I Soare; R Alexandrescu; E Vasile; I P πŸ“‚ Article πŸ“… 2003 πŸ› Elsevier Science 🌐 English βš– 923 KB

Carbon nanopowders were obtained by the laser pyrolysis of ethylene. The high-temperature gradients and very rapid reaction times characteristic of the process lead to the formation of very fine powders. Carbon powders obtained in runs with different laser power values (400-900 W), pressures (250-95